MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded content, though obfuscated, appears to be a lure related to 'activation code gta v', likely to entice users to click the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://archism.ru/uplcv?utm_term=activation+code+gta+v PDF link annotation
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d952f8aeaa---46612059856.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2f465fd2d---podazewu.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2f005cbc3---vuvokazejusudaruvitajem.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/44af05ac56b8d69f9e4a29d7960a3f2d/tepafuxexupevili.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/a27d5b9e1432a03bb6886b2fe358f6cd/43020435716.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160855768a22b2---34467126272.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210604232722.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f38545998d---59955699294.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/vegidiw.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/32126f258e9a322393218d99fb33e873/norez.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/3ac8672a0b95442f5a12573fe332fbf9/wuputevomazixusaximedafa.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/kidedopokog.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/gisepozaxuli.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160a9dfc732fff---21307630659.pdfIn PDF document text
- http://www.bash.cl/media/file/62351688163.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000106e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E5 | 4636 bytes |
SHA-256: 17b78964610eb12e4ac3ab62bd74504d4f695c985712fc2e410ab839e7879fb1 |
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font_01_sfnt_off000116ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116BA | 12508 bytes |
SHA-256: 35e7adbbd5d3149f4e138a9717cb27150bfd17e441d62f79ee4fd23e2d264615 |
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font_02_sfnt_off00013f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F59 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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